:root{--brand:#1f5fbf;--ink:#1c2330;--muted:#667085;--line:#e3e7ee;--bg:#f5f7fa;--card:#fff;--ok:#1a7f4b;--bad:#b42318;--warn:#b25e09;--r:10px}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:var(--brand)}
h1{font-size:1.6rem;margin:0 0 1rem;line-height:1.25}
h2{font-size:1.1rem;margin:0 0 .75rem}
h3{font-size:1rem;margin:0 0 .5rem}
img{max-width:100%}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--muted);font-size:.9rem}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem}
.break{word-break:break-all}
.center{text-align:center}
.num{text-align:right;font-variant-numeric:tabular-nums}
.ok{color:var(--ok)}.bad{color:var(--bad)}.warn-text{color:var(--warn)}
.big{font-size:4rem;font-weight:700;margin:0;color:var(--brand)}

/* Botones y formularios */
.btn{display:inline-block;background:var(--brand);color:#fff;border:1px solid var(--brand);padding:.55rem 1.1rem;border-radius:8px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.danger{background:var(--bad);border-color:var(--bad)}
.btn.small{padding:.3rem .7rem;font-size:.9rem}
.btn.wide{width:100%}
button.link{background:none;border:0;padding:0;color:var(--brand);font:inherit;cursor:pointer;text-decoration:underline}
button.link.danger{color:var(--bad)}
:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 55%,#fff);outline-offset:2px}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.9rem}
input,select,textarea{display:block;width:100%;margin-top:.3rem;padding:.5rem .65rem;border:1px solid #c5ccd8;border-radius:7px;font:inherit;font-weight:400;background:#fff;color:var(--ink)}
input[type=checkbox],input[type=radio]{display:inline-block;width:auto;margin:0 .4rem 0 0}
input[type=color]{padding:.15rem;height:2.4rem}
input.tiny{display:inline-block;width:4.5rem;margin:0 .5rem 0 0}
label.check{font-weight:400;display:flex;align-items:center}
fieldset{border:1px solid var(--line);border-radius:var(--r);margin:0 0 1rem;padding:.75rem 1rem}
legend{font-weight:600;font-size:.9rem;padding:0 .4rem}
.row{display:flex;gap:1rem;flex-wrap:wrap;align-items:flex-end}
.row>label{flex:1 1 180px}
.inline{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.inline input,.inline select{width:auto;margin:0;flex:0 1 220px}
.inline label{margin:0;display:flex;align-items:center;gap:.4rem;font-weight:400}
form.inline{display:inline-flex}
.filters{margin-bottom:1rem}

/* Tarjetas, tablas, avisos */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.25rem;margin-bottom:1.25rem}
.card.narrow{max-width:420px;margin:3rem auto}
table{width:100%;border-collapse:collapse;font-size:.92rem}
table.card{padding:0;display:table;overflow:hidden}
th,td{text-align:left;padding:.6rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
th.num,td.num{text-align:right}
thead th{font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);background:#fafbfc}
tr:last-child td{border-bottom:0}
.thumb{width:40px;height:40px;object-fit:contain;border-radius:6px}
.thumb.big{width:96px;height:96px}
.flash{padding:.8rem 1rem;border-radius:8px;margin-bottom:1rem;border:1px solid;word-break:break-word}
.flash.ok{background:#ecfdf3;border-color:#abefc6;color:#085d3a}
.flash.error{background:#fef3f2;border-color:#fecdca;color:#912018}
.flash.warn{background:#fffaeb;border-color:#fedf89;color:#7a4504}
.pill{display:inline-block;padding:.1rem .55rem;border-radius:99px;font-size:.78rem;font-weight:600;background:#eef2f6;color:#475467}
.pill.accepted,.pill.done,.pill.confirmed{background:#ecfdf3;color:#085d3a}
.pill.revoked,.pill.cancelled{background:#fef3f2;color:#912018}
.pill.issued,.pill.warn,.pill.expired,.pill.failed,.pill.scheduled,.pill.sent,.pill.processing{background:#fffaeb;color:#7a4504}
.head{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.head h1,.head h2{margin:0}
.pager{display:flex;gap:.6rem;align-items:center;margin:1rem 0}
pre{background:#0f172a;color:#e2e8f0;padding:.9rem;border-radius:8px;overflow:auto;white-space:pre-wrap;word-break:break-all}
dl{display:grid;grid-template-columns:1fr;gap:.1rem;margin:0}
dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);margin-top:.7rem}
dd{margin:0}
details{margin-top:1rem}summary{cursor:pointer;font-weight:600}
.cols{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:1.25rem;align-items:start}
.cols.even{grid-template-columns:repeat(2,minmax(0,1fr))}
.bulk{margin-top:1rem}.bulk input{flex:1 1 280px}

/* Panel */
body.admin{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}
.side{background:#111827;color:#cbd5e1;padding:1.25rem 0;display:flex;flex-direction:column}
.side .brand{color:#fff;font-weight:700;padding:0 1.25rem 1rem;text-decoration:none;font-size:1.05rem}
.side nav a{display:block;color:#cbd5e1;text-decoration:none;padding:.5rem 1.25rem;border-left:3px solid transparent}
.side nav a:hover{background:#1f2937;color:#fff}
.side nav a.on{background:#1f2937;color:#fff;border-left-color:var(--brand)}
.side .me{margin-top:auto;padding:1rem 1.25rem 0;border-top:1px solid #1f2937;font-size:.9rem}
.side .me a,.side .me button.link{color:#cbd5e1}
.main{padding:1.75rem 2rem;max-width:1200px;width:100%}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.9rem;margin-bottom:1.25rem}
.stats div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:.9rem 1rem}
.stats b{display:block;font-size:1.6rem;line-height:1.2}
.stats span{color:var(--muted);font-size:.85rem}
.bars th{width:5.5rem;font-weight:400;color:var(--muted)}
.bars td span{display:block;height:.9rem;background:var(--brand);border-radius:4px;min-width:2px}
.bars td.num{width:4rem}.bars td.muted{width:9rem}

/* Sitio público */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding:.8rem 1.5rem;background:#fff;border-bottom:1px solid var(--line)}
.topbar .brand{display:flex;align-items:center;gap:.6rem;font-weight:700;color:var(--ink);text-decoration:none}
.topbar .brand img{height:36px;width:auto}
.topbar nav{display:flex;gap:1.1rem;align-items:center;flex-wrap:wrap}
.langs a{margin-left:.35rem;font-size:.8rem;text-decoration:none;color:var(--muted)}
.langs a.on{color:var(--ink);font-weight:700}
.wrap{max-width:1040px;margin:0 auto;padding:1.75rem 1.25rem;min-height:70vh}
.foot{text-align:center;color:var(--muted);font-size:.85rem;padding:1.5rem}
.hero{text-align:center;padding:3rem 0}
.hero h1{font-size:2rem}
.hero form{justify-content:center;margin:1.5rem 0}
.hero input{flex:1 1 340px;max-width:440px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1rem;text-align:center;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:.35rem;align-items:center}
.tile:hover{border-color:var(--brand)}
.tile img{width:120px;height:120px;object-fit:contain}
.progress{height:.6rem;background:#e7ebf1;border-radius:99px;overflow:hidden;margin:.5rem 0}
.progress span{display:block;height:100%;background:var(--brand)}
.steps{padding-left:1.3rem;margin:.5rem 0}
.steps li.done{color:var(--ok);font-weight:600}
.steps li.done::after{content:" ✔"}

/* Ficha de credencial */
.cred-head{display:flex;gap:1.75rem;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.5rem;margin-bottom:1rem}
.cred-head .badge{width:180px;height:180px;object-fit:contain;flex:none}
.cred-head h1{margin:.1rem 0}
.cred-head p{margin:.25rem 0}
.holder{font-size:1.25rem;font-weight:600}
.issuer{display:flex;align-items:center;gap:.6rem}
.issuer img{height:32px;width:auto}
.status{font-weight:700;margin-top:.6rem!important}
.status.ok{color:var(--ok)}.status.warn{color:var(--warn)}.status.bad{color:var(--bad)}
.actions{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin-bottom:1.25rem}
.share{display:flex;gap:.7rem;flex-wrap:wrap;align-items:center;font-size:.92rem;margin-left:.4rem}
.cred section,.verif{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.25rem;margin-bottom:1rem}
.tags span{display:inline-block;background:#eef2f6;border-radius:99px;padding:.15rem .7rem;margin:0 .3rem .4rem 0;font-size:.88rem}
.pdf{width:100%;aspect-ratio:1.414/1;border:1px solid var(--line);border-radius:8px}
.qr{margin:1rem 0;text-align:center}
.qr svg{max-width:100%;height:auto}

/* Diseñador de constancias */
.designer{display:grid;grid-template-columns:minmax(0,2fr) minmax(220px,1fr);gap:1rem;align-items:start}
.canvas{position:relative;width:100%;aspect-ratio:297/210;background:#fff center/100% 100% no-repeat;border:1px solid #c5ccd8;overflow:hidden;container-type:inline-size;user-select:none;touch-action:none}
.canvas .f{position:absolute;white-space:nowrap;cursor:move;line-height:1;padding:1px 3px;border:1px dashed transparent;font-family:Helvetica,Arial,sans-serif}
.canvas .f:hover{border-color:#94a3b8}
.canvas .f.sel{border-color:var(--brand);background:rgba(31,95,191,.08)}
.canvas .f.qr{background:repeating-conic-gradient(#111 0 25%,#fff 0 50%) 0 0/8px 8px;aspect-ratio:1;padding:0}
.panel{background:#fafbfc;border:1px solid var(--line);border-radius:8px;padding:.9rem}

@media (max-width:820px){
  body.admin{display:block}
  .side{flex-direction:row;flex-wrap:wrap;align-items:center;padding:.6rem}
  .side nav{display:flex;flex-wrap:wrap}
  .side nav a{padding:.35rem .6rem;border-left:0}
  .side .me{margin:0 0 0 auto;border:0;padding:0 .6rem}
  .main{padding:1rem}
  .cols,.cols.even,.designer{grid-template-columns:minmax(0,1fr)}
  .cred-head{flex-direction:column;text-align:center}
  .issuer{justify-content:center}
  table.card{display:block;overflow-x:auto}
}